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Effects of ultraviolet light on optical properties of colloidal CdS nanoparticles embedded in a polymer PVA matrix
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- Rudko, G. Yu. (author)
- V. Lashkaryov Institute of Semiconductor Physics of National Academy of Sciences of Ukraine, Kiev
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- Kovalchuk, A. O. (author)
- V. Lashkaryov Institute of Semiconductor Physics of National Academy of Sciences of Ukraine, Kiev
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- Fediv, V. I. (author)
- Bukovinian State Medical University, Chernivtsi, Ukraine
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- V Lashkaryov Institute of Semiconductor Physics of National Academy of Sciences of Ukraine, Kiev Bukovinian State Medical University, Chernivtsi, Ukraine (creator_code:org_t)
- American Scientific Publishers, 2012
- 2012
- English.
- In: Advanced Science, Engineering and Medicine. - : American Scientific Publishers. - 2164-6627. ; 4:5, s. 394-400
- Journal article (peer-reviewed)
Abstract
Subject headings
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- CdS nanoparticles have been synthesized in aqueous solution using polyvinyl alcohol (PVA) as a capping reagent. The effects of exposure by ultraviolet (UV) light on optical properties of nanocomposites consisting of colloidal CdS nanoparticles and a polymer PVA matrix were studied by employing photoluminescence (PL) spectroscopy. It is shown that UV-induced changes of the photoluminescence intensity in PVA are caused by creation and healing of non-radiative recombination centers. It is also concluded that in the nanocomposites, the UV-induced changes of the PL intensity are predominantly governed by processes at the NP/PVA interface.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- CdS Nanoparticles
- PVA Matrix
- Nanocomposites
- Photoluminescence
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Rudko, G. Yu.
- Kovalchuk, A. O.
- Fediv, V. I.
- Beyer, Jan
- Chen, Weimin
- Buyanova, Irina
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Linköping University
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